/*
 * Copyright 1999-2022 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sinhy.nacos.plugin.datasource.impl.mssql;

import com.alibaba.nacos.common.utils.StringUtils;
import com.alibaba.nacos.plugin.datasource.constants.FieldConstant;
import com.alibaba.nacos.plugin.datasource.model.MapperContext;
import com.alibaba.nacos.plugin.datasource.model.MapperResult;
import com.sinhy.nacos.plugin.datasource.constants.DatabaseTypeConstant;
import com.sinhy.nacos.plugin.datasource.dialect.SqlServerDatabaseDialect;
import com.sinhy.nacos.plugin.datasource.impl.base.BaseConfigTagsRelationMapper;

import java.util.ArrayList;
import java.util.List;

/**
 * The SQL Server implementation of ConfigTagsRelationMapper.
 *
 * @author lilinhai
 **/
public class ConfigTagsRelationMapperBySqlServer extends BaseConfigTagsRelationMapper
{
    
    /**
     * <pre>构造方法</pre>
     * 
     * @author sinhy
     * @since 2025-04-27 11:49
     */
    public ConfigTagsRelationMapperBySqlServer()
    {
        super(new SqlServerDatabaseDialect());
    }
    
    @Override
    public MapperResult findConfigInfo4PageFetchRows(MapperContext context)
    {
        final String tenant = (String) context.getWhereParameter(FieldConstant.TENANT_ID);
        final String dataId = (String) context.getWhereParameter(FieldConstant.DATA_ID);
        final String group = (String) context.getWhereParameter(FieldConstant.GROUP_ID);
        final String appName = (String) context.getWhereParameter(FieldConstant.APP_NAME);
        final String content = (String) context.getWhereParameter(FieldConstant.CONTENT);
        final String[] tagArr = (String[]) context.getWhereParameter(FieldConstant.TAG_ARR);
        
        List<Object> paramList = new ArrayList<>();
        StringBuilder where = new StringBuilder(" WHERE ");
        final String sql = "SELECT a.id, a.data_id, a.group_id, a.tenant_id, a.app_name, a.content " + " FROM config_info a LEFT JOIN config_tags_relation b ON a.id = b.id ";
        
        where.append(" a.tenant_id=? ");
        paramList.add(tenant);
        
        if (StringUtils.isNotBlank(dataId))
        {
            where.append(" AND a.data_id=? ");
            paramList.add(dataId);
        }
        if (StringUtils.isNotBlank(group))
        {
            where.append(" AND a.group_id=? ");
            paramList.add(group);
        }
        if (StringUtils.isNotBlank(appName))
        {
            where.append(" AND a.app_name=? ");
            paramList.add(appName);
        }
        if (!StringUtils.isBlank(content))
        {
            where.append(" AND a.content LIKE ? ");
            paramList.add(content);
        }
        where.append(" AND b.tag_name IN (");
        for (int i = 0; i < tagArr.length; i++)
        {
            if (i != 0)
            {
                where.append(", ");
            }
            where.append('?');
            paramList.add(tagArr[i]);
        }
        where.append(") ");
        return new MapperResult(sql + where + " ORDER BY id OFFSET " + context.getStartRow() + " ROWS FETCH NEXT " + context.getPageSize() + " ROWS ONLY", paramList);
    }
    
    @Override
    public MapperResult findConfigInfoLike4PageFetchRows(MapperContext context)
    {
        final String tenant = (String) context.getWhereParameter(FieldConstant.TENANT_ID);
        final String dataId = (String) context.getWhereParameter(FieldConstant.DATA_ID);
        final String group = (String) context.getWhereParameter(FieldConstant.GROUP_ID);
        final String appName = (String) context.getWhereParameter(FieldConstant.APP_NAME);
        final String content = (String) context.getWhereParameter(FieldConstant.CONTENT);
        final String[] tagArr = (String[]) context.getWhereParameter(FieldConstant.TAG_ARR);
        
        List<Object> paramList = new ArrayList<>();
        
        StringBuilder where = new StringBuilder(" WHERE ");
        final String sqlFetchRows = "SELECT a.id, a.data_id, a.group_id, a.tenant_id, a.app_name, a.content " + "FROM config_info a LEFT JOIN config_tags_relation b ON a.id = b.id ";
        
        where.append(" a.tenant_id LIKE ? ");
        paramList.add(tenant);
        if (!StringUtils.isBlank(dataId))
        {
            where.append(" AND a.data_id LIKE ? ");
            paramList.add(dataId);
        }
        if (!StringUtils.isBlank(group))
        {
            where.append(" AND a.group_id LIKE ? ");
            paramList.add(group);
        }
        if (!StringUtils.isBlank(appName))
        {
            where.append(" AND a.app_name = ? ");
            paramList.add(appName);
        }
        if (!StringUtils.isBlank(content))
        {
            where.append(" AND a.content LIKE ? ");
            paramList.add(content);
        }
        
        where.append(" AND b.tag_name IN (");
        for (int i = 0; i < tagArr.length; i++)
        {
            if (i != 0)
            {
                where.append(", ");
            }
            where.append('?');
            paramList.add(tagArr[i]);
        }
        where.append(") ");
        return new MapperResult(sqlFetchRows + where + " ORDER BY id OFFSET " + context.getStartRow() + " ROWS FETCH NEXT " + context.getPageSize() + " ROWS ONLY", paramList);
    }
    
    @Override
    public String getDataSource()
    {
        return DatabaseTypeConstant.SQLSERVER;
    }
}
